On the Prefixes of a Random Trace and the Membership Problem for Context-Free Trace Languages.

Alberto Bertoni Massimiliano Goldwurm On the Prefixes of a Random Trace and the Membership Problem for Context-Free Trace Languages. 35-59 1987 conf/aaecc/1987 AAECC db/conf/aaecc/aaecc1987.html#BertoniG87